Pumping system for cold liquids



Nov. 26, 1963 E s. MESSER PUMPNG SYSTEM FOR COLD LQUDs Fi1ed Jan. 25 1961 3 Sheets-sheat 1 Nov. 26, 1963 MESSER 3,ll2,049

PUMPNG SYSTEM FOR COLD LQUDs enclosure for Submergence below the level of the tank when filled; a Inoto1 r1ouI1ted in the 10Wer end ortion of the enc10sure adjacent the pump meanS and Peratively connected thereto for operation Of the punlp Tneans; nTeans communicating the outlet of the pump ITleans vith the exterior of the tank for delivery Of liqllid displaced by the pump n1eans; a assage in the ]0Wer end p0rti0n of the encl0sure through Which liquid can Hov fron1 the tank into the enc10sure and t0 1e pu[np nleans; neans Selectively openi1g and closing the passage to control the ioW of li(1uid from the tank into the enc10sure; the pum1) means and me motor being removably Secured in the 10Wer end portion 0f the encl0Sue for separation therefr0n; guide means vithin the 10Wer end 10Ttion of the enc10sure for guiding the pump means to a position in Vertical alignment With its 10vered OSition during dS placement of the pump means into the enc10sure t0vard 8 itS 1OWeed 0Sition, Said guide n1eans comprising guide lates extending inwardly and downwardly fron1 the sides 0f the inner enc10sure and ter[ninating in vertical alignrnent with the outer edges of the punp base when in 10Wered position' References cited in the me of this patent UNITED STATES PATENTS 2,352,98 Lauer et al luly 4 1944 2 420 31S Holt et al May 13 1947 2,4ZS,957 Samelson Aug. 19, 1947 2,694,980 Lauck eta1 Nov' 23 19S4 Z 9Z 043 HOWe Feb 16 l FOREIGN PATENTS 787,027 Geat Britain II()V. 27 1957 870,829 Great Britain Feb 5 1960 

1. MEANS FOR THE REMOVAL OF A COLD LIQUID FROM A DEEP WELL TANK COMPRISING AN OUTER ENCLOSURE EXTENDING LENGTHWISE THROUGH THE TANK; AN INNER ENCLOSURE CONCENTRIC WITH SAID OUTER ENCLOSURE AND SPACED A SHORT DISTANCE THEREFROM, SAID INNER ENCLOSURE BEING SHIFTABLE VERTICALLY WITHIN SAID OUTER ENCLOSURE THROUGH THE TOP OF THE TANK BETWEEN LOWERED AND RAISED POSITIONS; PUMP MEANS HAVING AN INLET AND AN OUTLET, SAID PUMP MEANS BEING MOUNTED IN THE LOWER END PORTION OF THE INNER ENCLOSURE FOR SUBMERGENCE BELOW THE LEVEL OF THE TANK WHEN FILLED; A MOTOR MOUNTED IN THE LOWER END PORTION OF THE INNER ENCLOSURE ADJACENT THE PUMP MEANS AND OPERATIVELY CONNECTED THERETO FOR OPERATION OF THE PUMP MEANS; MEANS COMMUNICATING THE OUTLET OF THE PUMP MEANS WITH THE EX- 